3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";i:1;}i:1;R:3;}'; $x = unserialize($x); var_dump($x);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0030.01216.63
8.3.50.0150.00221.25
8.3.40.0030.01318.78
8.3.30.0070.00718.84
8.3.20.0040.00420.16
8.3.10.0040.00423.58
8.3.00.0040.00419.68
8.2.180.0140.00716.75
8.2.170.0120.00322.96
8.2.160.0070.00720.46
8.2.150.0050.00224.18
8.2.140.0030.01024.66
8.2.130.0030.00526.16
8.2.120.0090.00019.23
8.2.110.0070.00320.92
8.2.100.0090.00317.63
8.2.90.0000.00819.17
8.2.80.0030.00517.97
8.2.70.0000.00917.63
8.2.60.0050.00317.55
8.2.50.0000.00818.07
8.2.40.0080.00021.07
8.2.30.0040.00419.84
8.2.20.0000.00817.69
8.2.10.0070.00018.04
8.2.00.0040.00418.06
8.1.280.0100.00725.92
8.1.270.0140.00020.38
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.62
8.1.230.0060.00617.42
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0000.00817.35
8.1.180.0000.00718.10
8.1.170.0040.00418.49
8.1.160.0000.00721.99
8.1.150.0050.00218.88
8.1.140.0040.00417.39
8.1.130.0040.00417.64
8.1.120.0070.00017.30
8.1.110.0040.00417.43
8.1.100.0070.00017.42
8.1.90.0000.00717.40
8.1.80.0090.00017.36
8.1.70.0000.00717.30
8.1.60.0000.00717.45
8.1.50.0050.00317.43
8.1.40.0040.00417.54
8.1.30.0040.00417.62
8.1.20.0040.00417.56
8.1.10.0040.00417.57
8.1.00.0030.00617.57
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.36
8.0.270.0030.00317.13
8.0.260.0030.00317.11
8.0.250.0070.00017.00
8.0.240.0060.00316.86
8.0.230.0040.00417.01
8.0.220.0030.00316.94
8.0.210.0000.00716.92
8.0.200.0000.00616.89
8.0.190.0000.00716.94
8.0.180.0070.00016.82
8.0.170.0000.00816.81
8.0.160.0050.00216.90
8.0.150.0000.00716.74
8.0.140.0080.00016.75
8.0.130.0000.00613.34
8.0.120.0040.00416.85
8.0.110.0040.00416.86
8.0.100.0070.00016.91
8.0.90.0000.00816.87
8.0.80.0080.00816.91
8.0.70.0050.00316.99
8.0.60.0000.00716.75
8.0.50.0070.00016.97
8.0.30.0100.00717.09
8.0.20.0100.01017.40
8.0.10.0070.00017.09
8.0.00.0110.00816.79
7.4.330.0050.00015.08
7.4.320.0030.00316.60
7.4.300.0040.00416.46
7.4.290.0080.00316.46
7.4.280.0040.00416.43
7.4.270.0000.00716.54
7.4.260.0030.00516.43
7.4.250.0000.00716.47
7.4.240.0030.00316.46
7.4.230.0000.00716.35
7.4.220.0130.00716.58
7.4.210.0070.01416.57
7.4.200.0040.00416.62
7.4.160.0100.00716.33
7.4.150.0090.00917.40
7.4.140.0090.01217.86
7.4.130.0050.01716.53
7.4.120.0090.00916.40
7.4.110.0110.01116.48
7.4.100.0060.01616.59
7.4.90.0070.01016.47
7.4.80.0140.00519.39
7.4.70.0110.00916.64
7.4.60.0130.01016.31
7.4.50.0040.00416.50
7.4.40.0070.01016.45
7.4.30.0100.01016.45
7.4.00.0070.01015.09
7.3.330.0030.00313.10
7.3.320.0000.00513.04
7.3.310.0000.00716.16
7.3.300.0070.00016.20
7.3.290.0060.01016.15
7.3.280.0090.00716.14
7.3.270.0090.00917.40
7.3.260.0110.01416.32
7.3.250.0110.00716.25
7.3.240.0100.00616.19
7.3.230.0090.00916.39
7.3.210.0100.00616.17
7.3.200.0150.00416.20
7.3.190.0100.00716.13
7.3.180.0060.00916.37
7.3.170.0130.00916.40
7.3.160.0030.01316.39
7.3.120.0080.00614.73
7.3.110.0030.00814.91
7.3.100.0030.01014.68
7.3.90.0070.00714.69
7.3.80.0030.00914.68
7.3.70.0070.00714.48
7.3.60.0030.00614.72
7.3.50.0000.01114.55
7.3.40.0000.00814.57
7.3.30.0040.00814.68
7.3.20.0120.00316.49
7.3.10.0040.00416.55
7.3.00.0070.01016.51
7.2.330.0130.01016.62
7.2.320.0030.01616.56
7.2.310.0170.00316.61
7.2.300.0080.00816.50
7.2.290.0090.00916.30
7.2.240.0000.01014.87
7.2.230.0070.00715.07
7.2.220.0000.01214.97
7.2.210.0070.00314.76
7.2.200.0030.01314.92
7.2.190.0030.00914.89
7.2.180.0000.01414.62
7.2.170.0040.00814.96
7.2.160.0030.01414.84
7.2.150.0120.00316.72
7.2.140.0060.00916.60
7.2.130.0070.00716.52
7.2.120.0150.00316.85
7.2.110.0140.00416.34
7.2.100.0070.01016.56
7.2.90.0070.00716.73
7.2.80.0080.00516.81
7.2.70.0140.00416.53
7.2.60.0070.00416.83
7.2.50.0030.01416.67
7.2.40.0000.01016.84
7.2.30.0120.00316.66
7.2.20.0000.01616.99
7.2.10.0030.00916.81
7.2.00.0120.00318.03
7.1.330.0100.00615.83
7.1.320.0110.00615.66
7.1.310.0030.01015.95
7.1.300.0030.00715.72
7.1.290.0030.01015.60
7.1.280.0030.01015.56
7.1.270.0030.01015.74
7.1.260.0000.01115.63
7.1.250.0030.00715.66
7.1.200.0030.01015.74
7.1.100.0000.01118.27
7.1.70.0020.00517.11
7.1.60.0070.02020.03
7.1.50.0100.00716.63
7.1.00.0100.06722.32
7.0.200.0030.00716.65
7.0.60.0030.06319.93
7.0.50.0070.05717.89
7.0.40.0000.05719.98
7.0.30.0230.07720.32
7.0.20.0430.07020.08
7.0.10.0070.08720.09
7.0.00.0070.04320.20
5.6.280.0000.04020.98
5.6.210.0070.08720.60
5.6.200.0070.07018.19
5.6.190.0070.08720.45
5.6.180.0200.08020.57
5.6.170.0330.07020.52
5.6.160.0100.04720.48
5.6.150.0100.06718.11
5.6.140.0000.04718.25
5.6.130.0100.06318.22
5.6.120.0100.05021.11
5.6.110.0100.05020.98
5.6.100.0030.05721.02
5.6.90.0030.04321.02
5.6.80.0030.07720.27
5.5.350.2900.03320.35
5.5.340.0100.04717.91
5.5.330.0030.08320.43
5.5.320.0230.04320.28
5.5.310.0230.07320.17
5.5.300.0100.05018.01
5.5.290.0070.06717.91
5.5.280.0100.07320.79
5.5.270.0100.07720.78
5.5.260.0030.04320.86
5.5.250.0100.06320.54
5.5.240.0070.08020.27
5.4.450.0170.05719.27
5.4.440.0270.04719.10
5.4.430.0170.05319.10
5.4.420.0230.04719.51
5.4.410.0170.05318.97
5.4.400.0170.05019.00
5.4.390.0130.05719.30
5.4.380.0130.05719.14
5.4.370.0130.05319.13
5.4.360.0100.06019.30
5.4.350.0130.06019.19
5.4.340.0170.05318.79
5.4.320.0200.05319.28
5.4.310.0200.04719.16
5.4.300.0130.05719.30
5.4.290.0100.06019.00
5.4.280.0130.06019.19
5.4.270.0100.06019.12
5.4.260.0230.04719.14
5.4.250.0400.03719.13
5.4.240.0170.07019.25
5.4.230.0230.05718.77
5.4.220.0200.05018.89
5.4.210.0170.05018.77
5.4.200.0230.04719.10
5.4.190.0270.04718.94
5.4.180.0170.05318.93
5.4.170.0230.04719.18
5.4.160.0200.04719.18
5.4.150.0200.05318.93
5.4.140.0200.04716.29
5.4.130.0230.04716.39
5.4.120.0230.04716.33
5.4.110.0200.04716.29
5.4.100.0200.04716.47
5.4.90.0200.04316.06
5.4.80.0230.04316.48
5.4.70.0230.04016.41
5.4.60.0270.04316.23
5.4.50.0100.04716.39
5.4.40.0400.06316.28
5.4.30.0000.04016.15
5.4.20.0070.04316.43
5.4.10.0170.04016.36

preferences:
47.03 ms | 401 KiB | 5 Q